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New imaging technique may reveal hidden lung issues in long COVID patients

NCT ID NCT05238623

Knowledge-focused Sponsor: Jan-Christoph Lewejohann Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will use a non-invasive imaging method called electrical impedance tomography (EIT) to measure how air moves through the lungs of 50 people with ongoing symptoms after COVID-19. Researchers will compare EIT results with standard CT scans and lung function tests to see if EIT can detect the same lung changes. The goal is to find a simpler, radiation-free way to monitor lung problems in post-COVID patients.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors better understand and monitor lingering lung problems after COVID-19 using a simpler, radiation-free test.
What could go wrong
This is a small, early observational study, not a treatment trial. It may not lead to any direct patient benefit or change in clinical practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2025

An estimate. Start dates often move.

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

All patients presenting to the post-COVID-19 outpatient clinic are screened.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * all patients undergoing a Chest CT due to suspected post-acute-Covid-19-syndrome * \>18 years * informed consent. Exclusion Criteria: * trauma patients and patients with unstable spinal injuries or fractures * patients with an BMI over 50 * patients with uncontrolled body movements * Patients with a pacemaker

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Conditions

The condition(s) this trial relates to.

COVID-19 long COVID-19

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID-19 pneumonia Electric impedance Post-acute COVID-19 syndrome

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Klinik für Notfallmedizin

    Jena, Thuringia, 07747, Germany

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